# -*-mode: python; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-## $Id: OptMenu.py 36560 2004-07-18 06:16:08Z tim_one $## Tix Demostration Program## This sample program is structured in such a way so that it can be# executed from the Tix demo program "tixwidgets.py": it must have a# procedure called "RunSample". It should also have the "if" statment# at the end of this file so that it can be run as a standalone# program. # This file demonstrates the use of the tixOptionMenu widget -- you can# use it for the user to choose from a fixed set of options#import Tix options = {'text':'Plain Text', 'post':'PostScript', 'html':'HTML',           'tex':'LaTeX', 'rtf':'Rich Text Format'} def RunSample(w):    global demo_opt_from, demo_opt_to     demo_opt_from = Tix.StringVar()    demo_opt_to = Tix.StringVar()     top = Tix.Frame(w, bd=1, relief=Tix.RAISED)     from_file = Tix.OptionMenu(top, label="From File Format : ",                               variable=demo_opt_from,                               options = 'label.width  19 label.anchor e menubutton.width 15')     to_file = Tix.OptionMenu(top, label="To File Format : ",                             variable=demo_opt_to,                             options='label.width  19 label.anchor e menubutton.width 15')     # Add the available options to the two OptionMenu widgets    #    # [Hint] You have to add the options first before you set the    #        global variables "demo_opt_from" and "demo_opt_to". Otherwise    #        the OptionMenu widget will complain about "unknown options"!    #    for opt in options.keys():        from_file.add_command(opt, label=options[opt])        to_file.add_command(opt, label=options[opt])     demo_opt_from.set('html')    demo_opt_to.set('post')     from_file.pack(side=Tix.TOP, anchor=Tix.W, pady=3, padx=6)    to_file.pack(side=Tix.TOP, anchor=Tix.W, pady=3, padx=6)     box = Tix.ButtonBox(w, orientation=Tix.HORIZONTAL)    box.add('ok', text='Ok', underline=0, width=6,            command=lambda w=w: ok_command(w))    box.add('cancel', text='Cancel', underline=0, width=6,            command=lambda w=w: w.destroy())    box.pack(side=Tix.BOTTOM, fill=Tix.X)    top.pack(side=Tix.TOP, fill=Tix.BOTH, expand=1) def ok_command(w):    # tixDemo:Status "Convert file from %s to %s" % ( demo_opt_from.get(), demo_opt_to.get())    w.destroy() if __name__ == '__main__':    root = Tix.Tk()    RunSample(root)    root.mainloop()